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Home » Engineering » Agricultural Engineering » Aptitude Test - 6
1.The excretory unit of the human excretory system is known as
A. Nephridia
B. Neuron
C. Nephron
D. Nephridia
2. Plants use the energy stored in ATP to accomplish the process of transportation of
A. Water and minerals
B. Oxygen
C. Water, minerals and food
D. Water and minerals
3. Which among the following is necessary to carry out the blood coagulation in a cut or wound?
A. White Blood Cells
B. Blood plasma
C. Platelets
D. White Blood Cells
4.Arteries and veins are connected by a network of extremely narrow tubes called:
A. Sieve tubes
B. Capillaries
C. Vena cava
D. Sieve tubes
5.Green revolution came into being due to evolution of_________________?
A. Wheat varieties
B. Cotton varieties
C. Sugarcane varieties
D. Wheat varieties
6.The major source of foreign exchange earning is________________?
A. Sugarcane
B. Wheat
C. Cotton
D. Sugarcane
7.The enzyme responsible for biological nitrogen fixation is________________?
A. Isomerase
B. Nitrogenase
C. Lipase
D. Isomerase
8.The equipment used for separating, cleaning and grading small seeds from given sample is______________?
A. Seed divider
B. Seed sorter
C. Seed blower
D. Seed divider
9.Geographical area of Pakistan in million hectare is_______________?
A. 95
B. 80
C. 60
D. 95
10.Removal of cellular water followed by shrinkage of protoplasm is due to______
A. Deplasmolysis
B. Oxidation
C. Osmosis
D. Deplasmolysis
11.Accumulation of transported material A to B horizon is known as____________________?
A. Alluviation
B. llluviation
C. Eluviation
D. Alluviation
12.The ratio of actual cultivated’ area to a total farm area over the year is called __________________?
A. Cost benefit ratio
B. Cropping intensity
C. Cropping pattern
D. Cost benefit ratio
13.Plants grown in dry region are_________________?
A. Xerophytes
B. Mesophytes
C. Thermophyts
D. Xerophytes
14.Solar energy emitted by sun reaches the earth surface absorbed and returned back in the form of___________________?
A. X rays
B. Infra red radiation
C. Infra blue radiation
D. X rays
15.Green vegetables are the source of___________________?
A. Carbohydrates
B. Biotin
C. Folate
D. Carbohydrates
16.Which of the following mineral is involved in protein metabolism and oxidation reactions?
A. Molybdenum
B. Manganese
C. Magnesium
D. Molybdenum
17.Which of the following mineral deficiency may result into impaired growth and development, skin lesions and loss of appetite?
A. Zinc
B. Cobalt
C. Iron
D. Zinc
18. Which of the following is not a function of iron?
A. Oxygen transport
B. Immune function
C. Brain function
D. Oxygen transport
19.Consumption of which nutrient leads to the multiplication of oral bacteria?
A. Fat
B. Carbohydrate
C. Protein
D. Fat
20. Examples of goitrogenic foods are __________ and __________ .
A. turnips and corn
B. rutabagas and okra
C. raw cabbage and turnips
D. turnips and corn
21. Which of the following carbohydrate is effective in promoting the calcium absorption?
A. Lactose
B. Maltose
C. Sucrose
D. Lactose
22.What condition is caused by iodine deficiency during pregnancy and is characterized by stunted growth, deafness, and mental retardation?
A. Cretinism
B. Keshan disease
C. Multiple sclerosis
D. Cretinism
23. Iodine is a part of thyroid hormone and is essential for the prevention of
A. goiter
B. osteoporosis
C. muscle weakness
D. goiter
24. What transports copper from the intestinal cells to the liver?
A. Ceruloplasmin
B. Secretin
C. Acrolein
D. Ceruloplasmin
25.Which group is most often affected with copper deficiency?
A. Elderly woman
B. Alcoholics
C. Active toddlers with limited
D. Elderly woman
26.What is the main source of natural fluoride?
A. Mushrooms
B. Potatoes
C. Meat
D. Mushrooms
27. Which of the following mineral is involved in the enzyme -controlled energy yielding reactions of metabolism?
A. Calcium
B. Phosphorus
C. Iron
D. Calcium
28.The mineral which aids in the utilization of iron and in hemoglobin synthesis is
A. calcium
B. phosphorus
C. cobalt
D. calcium
29.The mineral which is considered important in maintaining electrical potential in nerves and membranes is
A. magnesium
B. manganese
C. calcium
D. magnesium
30. Wilson's disease is an example of __________ and Menkes' syndrome is an example of __________ .
A. zinc deficiency; zinc toxicity
B. zinc toxicity; zinc deficiency
C. copper deficiency; copper toxicity
D. zinc deficiency; zinc toxicity
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